Siemens SIMATIC ET 200AL - Configuration Modes for Digital I;O; Overview of Configuration Modes

IM 157-1 DP (6ES7157-1AA00-0AB0)
14 Equipment Manual, 08/2021, A5E32100641-AE
Wiring
3
3.1 Terminal and block diagram
The image below shows the terminal and block diagram of the IM 157-1 DP interface module.
①
Electronics
1L+
Supply voltage 1L+ (non-switched)
②
ET-Connection interface
1M
Ground 1M (non-switched)
③
Internal supply voltage
2L+
Load voltage 2L+ (switched)
④
Rotary coding switch for PROFIBUS addresses
2M
Ground 2M (switched)
X1 DP1
1. PROFIBUS interface
RUN
LED operating state (green)
X1 DP2
2. PROFIBUS interface
ERROR
LED diagnostics status (red)
X80
Infeed of supply voltages
MAINT
LED diagnostics status (yellow)
X81
Loop-through of supply voltages
DP
PROFIBUS LED (green)
X30
Infeed of the ET-Connection
ET-CON1, ET-CON2
ET-Connection LEDs (green)
X31
Loop-through of the ET-Connection
Figure 3-1 Terminal and block diagram